<%@ page pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="ctx" value="${pageContext.request.contextPath}"/>
<script type="text/javascript">
    /**加时间戳参数，防止IE下缓存不刷新*/
    function getUrl(url){
        if(url.indexOf('?') > 0){
            return url + "&timestamp=" + Date.parse(new Date());
        }
        return url + "?timestamp=" + Date.parse(new Date());
    }
</script>